Kids triathlons in UK
Find kids triathlons near me in UK for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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- Sat 27 Sep
- £35-£60
- Sat 27 Sep
- £35-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 9-10 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 9-10
- 200 m lake swimming
- 4.2 km road cycling
- 1.3 km road running
- Sun 28 Sep
- £45-£60
- Sun 28 Sep
- £45-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 13-14 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 13-14
- 400 m lake swimming
- 8.4 km road cycling
- 2.5 km road running + 69 ft ascent
- Sun 28 Sep
- £40-£60
- Sun 28 Sep
- £40-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 11-12 years
Get the family active in the award-winning castle grounds in a triathlon for all abilities - even beginners then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4.2 km road cycling
- 1.8 km road running
- Sun 28 Sep
- £50-£60
- Sun 28 Sep
- £50-£60
Hever Castle Triathlon and Multisport Festival | Triathlon 15-16 years
Get active in the award-winning castle grounds in a triathlon for all abilities - even beginners - then celebrate with friends, family and other athletes in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8.4 km road cycling
- 2.5 km road running + 69 ft ascent
- Sun 5 Oct
- £31
- Sun 5 Oct
- £31
Torbay Triathlon Autumn | Tristar 3
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 13-14
- 300 m pool swimming
- 7.5 km road cycling + 0 ft ascent
- 2.5 km multi terrain running + 62 ft ascent
- Sun 5 Oct
- £31
- Sun 5 Oct
- £31
Torbay Triathlon Autumn | Tristar 2
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 11-12
- 200 m pool swimming
- 6 km road cycling
- 1.8 km multi terrain running + 68 ft ascent
- Sun 5 Oct
- £31
- Sun 5 Oct
- £31
Torbay Triathlon Autumn | Novice Kids 11-14
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 11-14
- 200 m pool swimming
- 6 km road cycling
- 1.9 km multi terrain running + 68 ft ascent
- Sun 5 Oct
- £31
- Sun 5 Oct
- £31
Torbay Triathlon Autumn | Tristar 1
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 9-10
- 150 m pool swimming
- 3000 m road cycling
- 1.3 km multi terrain running
- Sun 5 Oct
- £22-£25
- Sun 5 Oct
- £22-£25
Torbay Triathlon Autumn | TriStar Start
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 8-8
- 50 m pool swimming
- 1500 m road cycling
- 650 m multi terrain running
- Sun 5 Oct
- £25
- Sun 5 Oct
- £25
Torbay Triathlon Autumn | Novice Kids 9-10
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 9-10
- 50 m pool swimming
- 1500 m road cycling
- 650 m multi terrain running
- Sun 5 Oct
- £23
- Sun 5 Oct
- £23
Torbay Triathlon Autumn | Mini Triathlon
A totally traffic free festival of triathlon offering both junior and senior distance options on the English Riviera. Pool swimming along with tarmac cycling and a parkland run, with a great medal.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 5-7
- 25 m pool swimming
- 1500 m road cycling
- 650 m multi terrain running
- Mon 4 May 2026
- £27
- Mon 4 May 2026
- £27
Tavistock Triathlon | TriStar 3
TriStar 3 for children aged 13-14. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
- Enter online
- Age 13-14
- 300 m pool swimming
- 6 km gravel riding
- 2.6 km multi terrain running
- Mon 4 May 2026
- £24
- Mon 4 May 2026
- £24
Tavistock Triathlon | TriStar 2
TriStar 2 for children aged 11-12. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
- Enter online
- Age 11-12
- 200 m pool swimming
- 3.6 km gravel riding
- 1.95 km multi terrain running
- Mon 4 May 2026
- £22
- Mon 4 May 2026
- £22
Tavistock Triathlon | TriStar 1
TriStar 1 for children age 9-10. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
- Enter online
- Age 9-10
- 150 m pool swimming
- 2.4 km gravel riding
- 1.3 km multi terrain running
- Mon 4 May 2026
- £21
- Mon 4 May 2026
- £21
Tavistock Triathlon | Tristar Start
TriStar Start Kids age 8. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
- Enter online
- Age 8-8
- 50 m pool swimming
- 1 km gravel riding
- 450 m multi terrain running
- Mon 4 May 2026
- £20
- Mon 4 May 2026
- £20
Tavistock Triathlon | Mini Tri
New! For kids age 5+. Pool swim, bike and also run are all mainly on grass in the grounds of Mount Kelly.
- Enter online
- Age 5-7
- 25 m pool swimming
- 1 km gravel riding
- 450 m multi terrain running
- Sat 20 Jun 2026
- £40-£50
- Sat 20 Jun 2026
- £40-£50
Cholmondeley Castle | Triathlon 15-16 years
Get active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8.4 km road cycling
- 2.2 km road running
- Sat 20 Jun 2026
- £32-£40
- Sat 20 Jun 2026
- £32-£40
Cholmondeley Castle | Triathlon 11-12 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4.2 km road cycling
- 1.6 km road running
- Sat 20 Jun 2026
- £36-£45
- Sat 20 Jun 2026
- £36-£45
Cholmondeley Castle | Triathlon 13-14 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 13-14
- 400 m lake swimming
- 8.4 km road cycling
- 2.2 km road running
- Sun 21 Jun 2026
- £32-£40
- Sun 21 Jun 2026
- £32-£40
Cholmondeley Castle Triathlon and Multisport Festival | Triathlon 11-12 years
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4.2 km road cycling
- 1.6 km road running
- Sun 21 Jun 2026
- £28-£35
- Sun 21 Jun 2026
- £28-£35
Cholmondeley Castle | Triathlon 9-10 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 9-10
- 200 m lake swimming
- 4.2 km road cycling
- 1.3 km road running
- Sun 28 Jun 2026
- £47
- Sun 28 Jun 2026
- £47
English Riviera Triathlon | Super Sprint
Fast, exciting, spectator-friendly racing in the centre of Torquay! Swim from the sheltered Torre Abbey Sands beach, ride a fast and flattish closed-road circuit and run by the sea.
- Chip timing
- Enter online
- Undulating
- Age 15 & over
- 300 m sea swimming
- 10 km road cycling + 328 ft ascent
- 2.5 km road running + 106 ft ascent
- Sun 28 Jun 2026
- £30
- Sun 28 Jun 2026
- £30
English Riviera Triathlon | TriStar 2
Fast, exciting, spectator-friendly racing in the centre of Torquay! Swim from the sheltered Torre Abbey Sands beach, ride a fast and flattish closed-road circuit and run by the sea.
- Chip timing
- Undulating
- Age 11-12
- 300 m sea swimming
- 5 km road cycling + 164 ft ascent
- 2 km road running
- Sun 28 Jun 2026
- £33
- Sun 28 Jun 2026
- £33
English Riviera Triathlon | TriStar 3
Fast, exciting, spectator-friendly racing in the centre of Torquay! Swim from the sheltered Torre Abbey Sands beach, ride a fast and flattish closed-road circuit and run by the sea.
- Chip timing
- Enter online
- Undulating
- Age 13-14
- 300 m sea swimming
- 10 km road cycling + 328 ft ascent
- 2.5 km road running + 106 ft ascent
- Sun 12 Jul 2026
- Sun 12 Jul 2026
Eastbourne Triathlon and Multisport Festival | Youth Super-Sprint Triathlon
The Youth Super Sprint Triathlon is an exciting part of the renowned Eastbourne Triathlon weekend and is for age 15-16 year olds of all abilities. Come and have a go or improve your time!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 15-16
- 300 m sea swimming
- 10 km road cycling + 160 m ascent
- 2.5 km road running